新疆-甘肃-内蒙古衔接区Cu和W地球化学异常及找矿意义 |
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引用本文: | 赵国斌,杨合群,赵善定,任华宁,李金超,贾健,李英,李文明.新疆-甘肃-内蒙古衔接区Cu和W地球化学异常及找矿意义[J].中国区域地质,2013(11):1845-1854. |
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作者姓名: | 赵国斌 杨合群 赵善定 任华宁 李金超 贾健 李英 李文明 |
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作者单位: | [1]中国地质调查局西安地质调查中心/国土资源部岩浆作用成矿与找矿重点实验室,陕西西安710054 [2]长安大学,西西安710054 |
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基金项目: | 中国地质调查局项目(编号:1212010531602、1212011085083和12120113047300) |
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摘 要: | 对新疆-甘肃-内蒙古衔接区的1:20万地球化学数据研究结果表明,该区Cu地球化学异常主要与基性、超基性岩和斑岩体有关,成矿元素组合为Co-Zn-Cr—Ni—Cu;W地球化学异常主要与中酸性岩有关,成矿元素组合为W—Sn—Bi。区内主要铜、钨矿床和新发现的矿床(点)均有相应元素区域异常显示,表明地球化学异常在本区具有重要指示意义。在全区确定了4个Cu地球化学省、5个W地球化学省、15个Cu区域异常和17个W区域异常,其中上马崖一铜山Cu地球化学省、黄山-梧桐窝子-葫芦北Cu地球化学异常带、土屋-赤湖Cu区域异常、大狐狸山Cu地球化学省、鹰嘴红山W地球化学省、古堡泉-柳园W地球化学省、英姿山W区域异常具有重要的找矿意义。
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关 键 词: | Cu地球化学异常 W地球化学异常 新疆-甘肃一内蒙古衔接区 东天山 北山 |
Copper and tungsten geochemical anomalies in Xinjiang-Gansu-Inner Mongolia border area and their prospecting significance. |
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Institution: | ZHAO Guo-bin, YANG He-qun, ZHAO Shan-ding, BEN Hua-ning, LI Jin-chao, JIA Jian, LI Ying, LI Wen-ruing( 1. MLR Key Laboratory of Genesis and Exploration of Magmatic Ore Deposits/ Xi'an Center of Geological Survey, CGS, Xi'an 710054, Shaanxi, China; 2. Chang'an University, Xi'an 710054, Shaanxi, China) |
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Abstract: | According to the 1:200000 geochemical data of the Xinjiang-Gansu-Inner Mongolia border area, the copper geochemical anomalies are mainly related to the mafic-ultramafic rocks and the porphyry bodies, and the ore-forming elements are of Co-Zn- Cr-Ni-Cu combination; the tungsten geochemical anomalies are mainly related to the intermediate-acid rocks, and the ore-forming elements are of W-Sn-Bi combination. Most of the copper deposits and tungsten deposits in this area have the corresponding element anomalies, suggesting that the geochemical anomalies have important prospecting significance. The authors identified 4 copper geo- chemical provinces, 5 tungsten geochemical provinces, 15 copper regional anomalies and 17 tungsten regional anomalies, among which Shangmaya-Tongshan copper geochemical province, Huangshan-Wutongwozi-Hulubei copper geochemical anomaly belt, Tuwu- Chihu copper regional anomaly, Dahulishan copper geochemical province, Yingzuihongshan tungsten geochemical province, Gubao- quan-Liuyuan tungsten geochemical province and Yingzishan tungsten regioilal anomaly have important ore-prospecting significance. |
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Keywords: | copper geochemical anomalies tungsten geochemical anomalies Xinjiang-Gansu-Inner Mongolia border area east Tian-shan Beishan |
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